I asked the mfg about steering wheel fit (I don't like the 18" stock wheel either!). Here's my msg and their reply.
On Wednesday, September 13, 2017 10:12 AM, "firstname.lastname@example.org" <email@example.com> wrote:
Will your steering wheel for a 1956-57 Ford Thunderbird (RP-20005) fit a 1959 Thunderbird? If not, can it be made to fit without major modification? What modification(s) would be required for this application. Thank you. KMc
Yes it will fit the 56 through the 60's
Thank you and have a great day,
344 Uruapan Drive
Dinuba, CA 93618